/*
 * Copyright (c) 2006, 2009 Apple Inc. All rights reserved.
 *
 * @APPLE_LICENSE_HEADER_START@
 * 
 * This file contains Original Code and/or Modifications of Original Code
 * as defined in and that are subject to the Apple Public Source License
 * Version 2.0 (the 'License'). You may not use this file except in
 * compliance with the License. Please obtain a copy of the License at
 * http://www.opensource.apple.com/apsl/ and read it before using this
 * file.
 * 
 * The Original Code and all software distributed under the License are
 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
 * Please see the License for the specific language governing rights and
 * limitations under the License.
 * 
 * @APPLE_LICENSE_HEADER_END@
 */


#ifndef	_SPAWN_H_
#define	_SPAWN_H_

/*
 * [SPN] Support for _POSIX_SPAWN
 */

#include <sys/cdefs.h> 
#include <_types.h>
#include <sys/spawn.h>	/* shared types */

/*
 * [SPN] Inclusion of the <spawn.h> header may make visible symbols defined
 * in the <sched.h>, <signal.h>, and <sys/types.h> headers.
 */
#ifndef _PID_T
typedef __darwin_pid_t		pid_t;
#define _PID_T
#endif

#ifndef _SIGSET_T
#define _SIGSET_T
typedef __darwin_sigset_t	sigset_t;
#endif

#ifndef _MODE_T
typedef __darwin_mode_t		mode_t;
#define _MODE_T
#endif 

/*
 * Opaque types for use with posix_spawn() family functions.  Internals are
 * not defined, and should not be accessed directly.  Types are defined as
 * mandated by POSIX.
 */
typedef  void *posix_spawnattr_t;
typedef  void *posix_spawn_file_actions_t;

__BEGIN_DECLS
/*
 * gcc under c99 mode won't compile "[ __restrict]" by itself.  As a workaround,
 * a dummy argument name is added.
 */
int	posix_spawn(pid_t * __restrict, const char * __restrict,
		const posix_spawn_file_actions_t *,
		const posix_spawnattr_t * __restrict,
		char *const __argv[ __restrict],
		char *const __envp[ __restrict]);
int	posix_spawnp(pid_t * __restrict, const char * __restrict,
		const posix_spawn_file_actions_t *,
		const posix_spawnattr_t * __restrict,
		char *const __argv[ __restrict],
		char *const __envp[ __restrict]);
int	posix_spawn_file_actions_addclose(posix_spawn_file_actions_t *, int);
int	posix_spawn_file_actions_adddup2(posix_spawn_file_actions_t *, int,
		int);
int	posix_spawn_file_actions_addopen(
		posix_spawn_file_actions_t * __restrict, int,
		const char * __restrict, int, mode_t);
int	posix_spawn_file_actions_destroy(posix_spawn_file_actions_t *);
int	posix_spawn_file_actions_init(posix_spawn_file_actions_t *);
int	posix_spawnattr_destroy(posix_spawnattr_t *);
int	posix_spawnattr_getsigdefault(const posix_spawnattr_t * __restrict,
		sigset_t * __restrict);
int	posix_spawnattr_getflags(const posix_spawnattr_t * __restrict,
		short * __restrict);
int	posix_spawnattr_getpgroup(const posix_spawnattr_t * __restrict,
		pid_t * __restrict);
int	posix_spawnattr_getsigmask(const posix_spawnattr_t * __restrict,
		sigset_t * __restrict);
int	posix_spawnattr_init(posix_spawnattr_t *);
int	posix_spawnattr_setsigdefault(posix_spawnattr_t * __restrict,
		const sigset_t * __restrict);
int	posix_spawnattr_setflags(posix_spawnattr_t *, short);
int	posix_spawnattr_setpgroup(posix_spawnattr_t *, pid_t);
int	posix_spawnattr_setsigmask(posix_spawnattr_t * __restrict,
		const sigset_t * __restrict);

#if 0	/* _POSIX_PRIORITY_SCHEDULING [PS] : not supported */
int	posix_spawnattr_setschedparam(posix_spawnattr_t * __restrict,
		const struct sched_param * __restrict);
int	posix_spawnattr_setschedpolicy(posix_spawnattr_t *, int);
int	posix_spawnattr_getschedparam(const posix_spawnattr_t * __restrict,
		struct sched_param * __restrict);
int	posix_spawnattr_getschedpolicy(const posix_spawnattr_t * __restrict,
		int * __restrict);
#endif	/* 0 */

__END_DECLS

#if	!defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)
/*
 * Darwin-specific extensions below
 */
#include <mach/exception_types.h>
#include <mach/machine.h>
#include <mach/port.h>

#ifndef _SIZE_T
typedef __darwin_size_t		size_t;
#define _SIZE_T
#endif 

__BEGIN_DECLS

int	posix_spawnattr_getbinpref_np(const posix_spawnattr_t * __restrict,
		size_t, cpu_type_t *__restrict, size_t *__restrict);
int	posix_spawnattr_setauditsessionport_np(posix_spawnattr_t *__restrict,
		mach_port_t);
int	posix_spawnattr_setbinpref_np(posix_spawnattr_t * __restrict,
		size_t, cpu_type_t *__restrict, size_t *__restrict);
int	posix_spawnattr_setexceptionports_np(posix_spawnattr_t *__restrict,
		exception_mask_t, mach_port_t,
		exception_behavior_t, thread_state_flavor_t);
int	posix_spawnattr_setspecialport_np(posix_spawnattr_t *__restrict,
		mach_port_t, int);
__END_DECLS

#endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */
#endif	/* _SPAWN_H_ */
